Finding the Third Proportional to 621,666 and 962,842.50

Step by Step Solution

1. Step 1: Write the proportion equation
   621,666 : 962,842.50 = 962,842.50 : x
2. Step 2: Convert to fraction form
   621,666/962,842.50 = 962,842.50/x
3. Step 3: Cross multiply
   621,666x = 962,842.50 × 962,842.50
4. Step 4: Simplify right side
   621,666x = 927,065,679,806.25
5. Step 5: Solve for x
   x = 927,065,679,806.25/621,666
6. Step 6: Final answer
   x = 1,491,260.07